Answer: amu
Explanation: it stands for atomic mass unit and it is the measurement that’s used to measure the mass of atoms
The correct answer is b hope this helps air
Answer:
option "B" is correct (substance 2)
Answer:
1. Two to decompose
Explanation:
It's going to be a decomposition so you can eliminate answers 3 and 4. It is a decomposition because it is splitting apart. Then you can figure out that it is going to be two instead of four by balancing the equation
H2O2 → 2H2O + O2
